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is saving dimes, quarters, and dollar coins to buy a new DVD. He has $13.00 so far, with 5 times as many dimes as dollars and 3 more quarters than dollars. How many of each type of coin does he have?

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When he divides his money into groups of 1 dollar, 1 quarter, and 5 dimes, he has 3 quarters left over. Each group is worth 1.75, and together all the groups are worth 13.00 - 0.75 = 12.25. There are 12.25/1.75 = 7 groups, so he has ...

  • 7 dollars
  • 10 quarters
  • 35 dimes
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